CenterPoint Optics open reflex sight 32mm objective lens 4 reticles, each available in red and green Integral Weaver mount Unlimited eye relief 1 MOA windage and elevation adjustment 5.5 oz. 3.25" long Matte black finish Includes a CR2032 lithium battery, 2 hex wrenches and lens cover An inexpensive sight that you can quickly mount on airguns, firearms and airsoft rifles and pistols. This compact, lightweight reflex sight will help you drill your targets. The unlimited eye relief ensures that you'll always have a clear image no matter how far or close your eye is to the sight.